diff --git a/src/msw/tbar95.cpp b/src/msw/tbar95.cpp
index f04e66f35c..b12dd40b5f 100644
--- a/src/msw/tbar95.cpp
+++ b/src/msw/tbar95.cpp
@@ -961,7 +961,7 @@ bool wxToolBar::Realize()
                                 if ( tool->Toggle(false) )
                                     DoToggleTool(tool, false);
 
-                                prevButton.fsState &= TBSTATE_CHECKED;
+                                prevButton.fsState &= ~TBSTATE_CHECKED;
                                 nodePrev = nodePrev->GetPrevious();
                                 prevIndex--;
                             }